| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an automatic playing device capable of eliminating a small tempo variation for representing a fluctuation in performance and adjusting a reproduction tempo without impairing a reproducibility of musical condition. <P>SOLUTION: An automatic playing device defines a tempo command META_TEMPO for specifying a reproduction tempo of music and a meta-groove tempo command META_GROOVETEMPO for setting a small tempo variation for representing a local fluctuation in performance in a music piece with a meta-event in MIDI data, and invalidates the meta-groove tempo command META_GROOVETEMPO, on the other hand, it updates the reproduction tempo specified by the tempo command META_TEMPO according to a USER tempo adjustment value being set only when starting automatic performance in a state of presetting the USER tempo adjustment value before starting the automatic performance. <P>COPYRIGHT: (C)2008,JPO&INPIT |
